<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ayyzz的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ayyzz</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ayyzz]]></copyright><item><title><![CDATA[1]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53467864</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53467864</guid><author>ayyzz</author><pubDate>Mon, 05 Dec 2016 18:01:21 +0800</pubDate><description><![CDATA[### unit2.DNS服务器集群 ###













###实验环境

主DNS server：172.25.254.218（Master）

[root@dns-server ~]# vim /etc/resolv.conf 

  3 nameserver 172.25.254.218




备DNS server：172.]]></description><category></category></item><item><title><![CDATA[1]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53467825</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53467825</guid><author>ayyzz</author><pubDate>Mon, 05 Dec 2016 17:59:33 +0800</pubDate><description><![CDATA[###selinux的初级管理###


1.什么时selinux
selinux，内核级加强型防火墙

2.如何管理selinux级别
selinux开启或者关闭）
vim /etc/sysconfig/selinux
selinux=disabled        ##关闭状态
selinux=Enforcing        ##强制状态
selinux=Permiss]]></description><category></category></item><item><title><![CDATA[2 unit 9]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53379611</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53379611</guid><author>ayyzz</author><pubDate>Mon, 28 Nov 2016 16:29:45 +0800</pubDate><description><![CDATA[###unit.9 vsftpd服务###


1.什么是ftp




2.安装ftp
yum install vsftpd -y
systemctl start vsftpd
firewall-cmd --permanent --add-server=ftp
firewall-cmd --reload
firewall-cmd --list-all
public (]]></description><category></category></item><item><title><![CDATA[2 unit 8]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53379592</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53379592</guid><author>ayyzz</author><pubDate>Mon, 28 Nov 2016 16:28:32 +0800</pubDate><description><![CDATA[###unit.8 ldap网络帐号###


###1.ldap是什么
ldap目录服务认证，和windows活动目录类似，就是记录数据的一种方式


###2.ldap客户端所需软件
yum install sssd krb5-workstation -y


###3.如何开启ldap用户认证
authcofig-tui


authconfig-tui

]]></description><category></category></item><item><title><![CDATA[2 unit 7]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53379555</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53379555</guid><author>ayyzz</author><pubDate>Mon, 28 Nov 2016 16:26:48 +0800</pubDate><description><![CDATA[###unit.7 访问网络文件系统###




###cifs网络文件系统访问
1.安装共享访问客户端
yum install samba-client -y
2.识别共享服务器共享目录
smbclient -L //172.25.254.250
Enter root's password: 没有密码直接回车
Domain=[MYGROUP] OS=[Unix] Serv]]></description><category></category></item><item><title><![CDATA[2 unit 6]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53379542</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53379542</guid><author>ayyzz</author><pubDate>Mon, 28 Nov 2016 16:25:42 +0800</pubDate><description><![CDATA[###unit6.shell脚本命令###


###1.diff
diff file file1
##


比较两个文件的不同


diff -c 
##显示周围的行
diff 


-u ##按照格式统一输出生成的补丁
diff -r 



##比较两个目录文件的不同


patch
patch 


file file.path ##]]></description><category></category></item><item><title><![CDATA[2 unit 5]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53379525</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53379525</guid><author>ayyzz</author><pubDate>Mon, 28 Nov 2016 16:24:40 +0800</pubDate><description><![CDATA[###unit.5 LVM###


###1.LVM建立
1.划分物理分区并把分区id修改为8e
[root@desktop18 ~]# fdisk /dev/vdb
Welcome to fdisk (util-linux 2.23.2).


Changes will remain in memory only, until you decide to write them]]></description><category></category></item><item><title><![CDATA[2 unit 4]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53261081</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53261081</guid><author>ayyzz</author><pubDate>Mon, 21 Nov 2016 16:54:17 +0800</pubDate><description><![CDATA[###unit.4管理系统存储###

###1.分区划分
fdisk /dev/vdb
Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.
Be careful before using the write command]]></description><category></category></item><item><title><![CDATA[2 unit 3]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53261074</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53261074</guid><author>ayyzz</author><pubDate>Mon, 21 Nov 2016 16:53:38 +0800</pubDate><description><![CDATA[##########################
###unit3系统延迟及定时机制###
##########################


###1.at延时
at time
at> 动作
at>ctrl+d
at> 


at -l            ###查看任务
atrm 任务号        ###结束任务
当执行动作有输出时
输出内容会以邮]]></description><category></category></item><item><title><![CDATA[2 unit 2]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53261061</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53261061</guid><author>ayyzz</author><pubDate>Mon, 21 Nov 2016 16:53:04 +0800</pubDate><description><![CDATA[######################
###unit2.用户权限列表###
######################

###1.权限列表的定义
指定特殊用户对某个文件有特殊权限的记录表格


###2.权限列表的识
-rw-rw-r--+ 1 root root 12 Oct 29 21：21 file        ###权限位有加号权限列别开启
-rw-rw-]]></description><category></category></item><item><title><![CDATA[2 unit 1]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53261047</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53261047</guid><author>ayyzz</author><pubDate>Mon, 21 Nov 2016 16:52:31 +0800</pubDate><description><![CDATA[############################
##### unit1自动安装系统 ######
############################


###################################
###Network Install(HTTP,FTP,NFS)###
###################################]]></description><category></category></item><item><title><![CDATA[unit 15]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53163012</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53163012</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:36:56 +0800</pubDate><description><![CDATA[#########################
###unit.15系统虚拟机管理###
#########################


###1.安装
#!/bin/bash \                                              ###命令运行环境的指定
--name $1 \                           ]]></description><category></category></item><item><title><![CDATA[unit 14]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53163008</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53163008</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:36:23 +0800</pubDate><description><![CDATA[#########################
#unit.14 linux中的设备访问#
#########################


###1.设备的识别
/dev/sda            ###系统中的第一块串口硬盘
/dev/hda            ###系统中第一快并口硬盘
/dev/hdb            ###系统中第二快并口硬盘
/]]></description><category></category></item><item><title><![CDATA[unit13]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53162985</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53162985</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:35:38 +0800</pubDate><description><![CDATA[########################
####unit.13软件的安装#####
########################


###1.软件名称识别
[abrt-addon-ccpp]-[2.1.11-19].[el7].[x86_64].rpm         ###rpm结尾的适用于与redhat操作系统


[abrt-addon-ccpp]     ]]></description><category></category></item><item><title><![CDATA[unit12]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53162980</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53162980</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:35:04 +0800</pubDate><description><![CDATA[######################
#######unit 12########
######################




##########文件归档##########
打包表示把一堆文件变成一个


tar                
###打包工具
f                
###指定生成包的名字
c            ]]></description><category></category></item><item><title><![CDATA[unit 11]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53162975</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53162975</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:34:32 +0800</pubDate><description><![CDATA[###################
#######unit.11#####
###################
管理网络


1.ip基础知识
1.ipv4   2进制32位---10进制


172.25.18.10/255.255.255.0
172.25.18.10：ip地址
255.255.255.0：子网掩码
子网掩码255位对应的ip位为网络位
子网]]></description><category></category></item><item><title><![CDATA[unit 10]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53162943</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53162943</guid><author>ayyzz</author><pubDate>Mon, 14 Nov 2016 19:32:05 +0800</pubDate><description><![CDATA[###########################
######unit.10系统日志#######
###########################


###1.系统日志默认分类


/var/log/messages           ###系统服务及日志，包括服务的信息，报错等等
/var/log/secure             ###系统认证信息日志]]></description><category></category></item><item><title><![CDATA[unit 9]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53066595</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53066595</guid><author>ayyzz</author><pubDate>Mon, 07 Nov 2016 15:21:38 +0800</pubDate><description><![CDATA[###########################
##########unit.9###########
###########################

########什么是openssh########
是一个提供远程访问控制的软件

########如何实现远程访问########

ssh 远程主机用户@远程主机ip地址
ssh root@172.25.]]></description><category></category></item><item><title><![CDATA[unit 8]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53066572</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53066572</guid><author>ayyzz</author><pubDate>Mon, 07 Nov 2016 15:19:53 +0800</pubDate><description><![CDATA[##########################
####unit.8系统服务的控制####
##########################

########什么是服务########

1.什么是服务？
service
服务就是在系统中运行的软件，这个软件主要是对外某项功能，那么我们把这一类软件安叫做服务

systemd
系统初始化程序，系统开始的第一个进程，]]></description><category></category></item><item><title><![CDATA[linux unit 7]]></title><link>https://blog.youkuaiyun.com/ayyzz/article/details/53014118</link><guid>https://blog.youkuaiyun.com/ayyzz/article/details/53014118</guid><author>ayyzz</author><pubDate>Wed, 02 Nov 2016 22:37:10 +0800</pubDate><description><![CDATA[#######################
########unit.7###########
#######################


1.什么是进程
进程就是系统正在做的事


2.进程的状态
运行
休眠
停止
继续
结束
僵尸进程


3.图形中如何查看进程
gnome-system-monitor


4.如何用命令查看进程

]]></description><category></category></item></channel></rss>